AVERY ILeUSPRATRED JOURNAL SOM SCIENCE: 
‘© To the solid ground 
Of Nature trusts the mind which builds for aye.” —WORDSWORTH. 
INO. 1557, VOL. 60] THURSDAY, AUGUST 31, 1899. [PRICE SIXPENCE. 
(Registered as a Newspaper at the General Post Office.] eae Babs are Reserved. 
NEWTON & CO. iS | MECHANICAL LABORATORY APPARATUS. 
W ASTRONOMICAL & “LOOK-OUT” G. CUSSONS, 
| 
TELESCOPE. | THE TECHNICAL WORKS, 
MANCHESTER. 
Specially Designed Apparatus for Experimental 
-ook-out Telescope, having a 3-in. Object-Glass, Body | 
| Meehanics and Engineering. 
be of Brass, 34 feet long, fitted with Rack and Sliding 
bes for Adjustment, mounted Altazimuth with Metal Cradle | 
1 Bearings on Mahogany Stand, 5 feet high. The Terrestrial | Section» Modelot Ges eneine, Stearmi Eneine a atenk 
e-piece will show a church clock at 10 miles distance, and | Atwood Machine. 
: Astronomical Eye-piece the Saturn Ring, and divide | NEW APPARATUS FOR 1, HU, Ill, VU, XXII. 
eo ee OS | @ CUSSONS, Technical Works, MANCHESTER. 
JATALOGUE OF TELESCOPES ON APPLICATION. | OPTICAL & SCIENTIFIC INSTRUMENTS. 
Spectrometers, Spectroscopes, Goniometers, Cathetometers, Optica) 
N EWTO N G&G CO: Benches, &c., &c. Instruments for special purposes constructed to Clients 
| cue designs. Price List on application. 
2 7 Y, | W. WILSON (formerly Foreman at Messrs. ELLIOTT Bros.) 
ee ee AND CORE REET 1 Belmont Street, Chalk Farm Road, London, N.W. ‘ 
3 FLEET STREET, LONDON. | ConTRACTOR TO H.M. GOVERNMENT. 
NEGRETTI & ZAMBRA’S 
. NEW GAS FURNACE piyocuLARS AND TELESCOPES. 
1 tent. 
foe” © Faten Makers of the “‘OFFICER OF THE WATCH” TELESCOPE, 
FOR CHEMISTS AN D ASSAYERS. in use on all the vessels oe H.M. REE 
A lied b NEGRETTI & ZAMBRA to the War Office. 
Tete ohes lbs, iz inches, Combining high power and portability. 
PARTS SEPARATE, LESS CRACKING. NEGRETTI & ZAMBRA, ade 
All particulars from SOLE MAKERS: | SCIENTIFIC INSTRUMENT MAKERS to the QU 
OHN J. GRIFFIN & SONS, LoD. | 38 HOLBORN VIADUCT, E.C. 
20-26 SARDINIA STREET, LONDON W.C. Branches: 46 CORNHILL; 122 REGENT STREET. 
